. >> pam: shortly after 3:00 california time president obama president obama spoke. the president made it clear that no formation is still come in and no one can jump to any conclusions. the president made it clear that those responsible will be identified and will be held accountable. i've directed for resources to help protect our people. increase security around the united states as necessary and investigate what happened. the american people will say a prayer for the boston people tonight and michelle and i have sent their deepest thoughts and prayers to the families of the victims in the wake of this senseless loss. we did not yet have all the answers but we do know multiple people have been wounded. some gravely in explosions of the boston marathon. i've spoken to fbi director's and they're mobilizing the proper resources to investigate and to respond. we still do not know who did this or why. people should not jump to conclusions before halifax. but to make no mistake, we will get to the bottom of this and we will find out who did this. will did find out why t